1 /*- 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)domain.h 8.1 (Berkeley) 6/2/93 30 * $FreeBSD$ 31 */ 32 33 #ifndef _SYS_DOMAIN_H_ 34 #define _SYS_DOMAIN_H_ 35 36 /* 37 * Structure per communications domain. 38 */ 39 40 /* 41 * Forward structure declarations for function prototypes [sic]. 42 */ 43 struct mbuf; 44 struct ifnet; 45 46 struct domain { 47 int dom_family; /* AF_xxx */ 48 char *dom_name; 49 void (*dom_init) /* initialize domain data structures */ 50 (void); 51 void (*dom_destroy) /* cleanup structures / state */ 52 (void); 53 int (*dom_externalize) /* externalize access rights */ 54 (struct mbuf *, struct mbuf **, int); 55 void (*dom_dispose) /* dispose of internalized rights */ 56 (struct mbuf *); 57 struct protosw *dom_protosw, *dom_protoswNPROTOSW; 58 struct domain *dom_next; 59 int (*dom_rtattach) /* initialize routing table */ 60 (void **, int); 61 int (*dom_rtdetach) /* clean up routing table */ 62 (void **, int); 63 int dom_rtoffset; /* an arg to rtattach, in bits */ 64 /* XXX MRT. 65 * rtoffset May be 0 if the domain supplies its own rtattach(), 66 * in which case, a 0 indicates it's being called from 67 * vfs_export.c (HACK) Only for AF_INET{,6} at this time. 68 * Temporary ABI compat hack.. fix post RELENG_7 69 */ 70 int dom_maxrtkey; /* for routing layer */ 71 void *(*dom_ifattach)(struct ifnet *); 72 void (*dom_ifdetach)(struct ifnet *, void *); 73 /* af-dependent data on ifnet */ 74 }; 75 76 #ifdef _KERNEL 77 extern int domain_init_status; 78 extern struct domain *domains; 79 void domain_add(void *); 80 void domain_init(void *); 81 #ifdef VIMAGE 82 void vnet_domain_init(void *); 83 void vnet_domain_uninit(void *); 84 #endif 85 86 #define DOMAIN_SET(name) \ 87 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 88 SI_ORDER_FIRST, domain_add, & name ## domain); \ 89 SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 90 SI_ORDER_SECOND, domain_init, & name ## domain); 91 #ifdef VIMAGE 92 #define VNET_DOMAIN_SET(name) \ 93 SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \ 94 SI_ORDER_FIRST, domain_add, & name ## domain); \ 95 VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \ 96 SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \ 97 VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \ 98 SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \ 99 & name ## domain) 100 #else /* !VIMAGE */ 101 #define VNET_DOMAIN_SET(name) DOMAIN_SET(name) 102 #endif /* VIMAGE */ 103 104 #endif /* _KERNEL */ 105 106 #endif /* !_SYS_DOMAIN_H_ */ 107